This type has a thin conical end and is an ultrafine tip which is best suited for soldering at narrow pitches, etc. 
It is the best for soldering micro components such as 0603, etc. and for repairing high-density-mounting P.W.Bs. such as in cellular phones, etc.

Discover the Hakko T12-IL Soldering Tip at Mektronics Australia – your trusted source for quality tools and equipment!